Gauge for cementing machines



c., 'r. BATCHELDER GAUGE FOR 'cmmunm. u'gcnmns Mm ch 16,1943.

, Filed July 18. 194i 2 Shigfcs-Sheet 1 .3- 'c T. BATCHELDER GAUGE FOR cmnu'wme MACHINES March 16 l 'iled July 18, 1941 2 Sheets-Sheet 2 Patented Mar. 16, 1943 GAUGE FOR CEMENTIN G MACHINES Clifton T. Batchelder, Haverhili, Mass., assignor to United Shoe Machinery Corporation, Flemington, N. 3., a corporation of New Jersey Application July 18, 1941, Serial No. 402,923

4 Claims.

This invention relates to a gauge for a fluid coating machine of the kind used in the manufacture of footwear, and more particularly to a gauge to adapt such a machine to apply adhesive to the beveled edge of shoe parts, for example, to moccasin Vamps and plugs prior to assembly.

Heretofore, in order to apply adhesive to the abruptly beveled edge of moccasin parts, the applying rolls of cement applying machines. have been made conical or have been tipped at an angle to the work in order to bring the applying surface thereof into a position parallel to the beveled edge to be coated. This necessitates procuring special rolls, or modifying the existing machine by tilting the rolls to setthem at the proper angle. It is much easier to use a cylindrical r011 mounted on a horizontal axis because it is easier to provide such a roll and to mount the same. Furthermore, it is easier to supply adhesive to the surface of a cylindrical roll and to govern the thickness of the adhesive on a horizontally disposed roll than on a conical roll or a roll tipped at an angle.

It is an object of the present invention, therefore, to provide a gauge for holding the beveled edge of a moccasin part against a cylindrical horizontally-disposed applying roll for the application of adhesive thereto.

As illustrated, a machine of the type shown in United States Letters Patent No. 1,851,162, granted March 29, 1932, on an application filed in the name of John W. Cosgrove, is employed, in which the work is held against the surface of a cylindrical horizontally-disposed applying roll by means of a supporting roll and is advanced between the same by the rotation of the rolls. In accordance with the aforesaid object, a feature of the invention resides in a gauge co-operable with the applying and supporting rolls, the gauge having a surface sloping upwardly and inwardly from the end face of the supporting roll, serving thereby to tilt the beveled edge of the work into a plane substantially parallel to the surface of the applying roll. To prevent the apex of the beveled edge of the work from creeping inwardly and becoming lodged between the gauge and the peripheral surfaces of the rolls, as illustrated, the edges of the aforesaid surface adjacent to the rolls are curved to conform to the peripheral surfaces of the rolls and, in order to guide the work well in to the bite of the rolls, the aforesaid surface is extended substantially to the bite of the rolls.

The details of the aforesaid gauge and the means for mounting it on the machine will now be described with reference to the accompanying drawings, in which Fig. 1 is a fragmentary angular view of the machine, showing the gauge and its relation to the applying roll;

Fig. 2 shows a moccasin vamp and toe piece, or plug, partly assembled;

Fig. 3 shows the. seam formed where the toe piece andvamp are joined;

Fig. 4 is an elevational View looking at the side of the machine as seen in Fig. l and with the work-gripping rolls separated;

Fig. 5 is an elevation looking at the left end of Fig. 4 and shows the front of the machine with the rolls separated;

Fig. 6 is a plan View of Fig. 5 with the applying roll broken away to show the gauge in full; and

Fig. 7 is a section taken on the line VII-VII of Fig. 5, showing the beveled edge of the work tipped up against the applying roll.

In the manufacture of moccasin type shoes such as are shown in United States Letters Patent No, 2,022,760, granted December 3, 1935, on an application filed in the name of K. Engel, the edge of the toe piece T and vamp V (Figs. 2 and 3 of the instant application) are beveled abruptly and. joined in abutting relation, as shown in Fig. 3, by a line of stitching. It is almost impossible to take these two separate parts and, while holding them together in abutting relation, to stitch them properly, because of the narrowness of the beveled edges and the vibration of the sewing machine. It is customary, therefore, to apply cement to the beveled edges 8 of the vamp andtoe piece and to join the parts temporarily by pressing the coated edges firmly together. The assembled upper may then readily be presented to the sewing machine and stitched without danger of misalinement. The application of the cement not only facilitates the stitching but it also prevents the gapping of the edges along the joint after the shoe has been subjected to wear.

The machine is similar to that disclosed in Patent No. 1,851, 62 and, as shown herein (Fig. 1) consists primarily of a frame It upon which is supported an adhesive applying roll it! and a work-piecesupporting roll l2 which co-operates with the applying roll to hold the work against the surface of the adhesive applying roll and to assist in feeding the work with the display side 13 down. The adhesive applying roll I0 is cylindrical and is mounted to rotate with a horizontally disposed shaft l4 journaled in the frame It, the gearing for driving the shaft not being shown herein. Cement or latex is supplied to the surface of the adhesive applying roll N), which is knurled, by means of a pair of transfer rolls I8 and also journaled in the frame It, the rolls being driven in the directions indicated by the arrows for the reasons assigned in the patent referred to above. The thickness of the film of adhesive delivered to the applying roll is governed by a doctor roll 22 which is mounted adjacent to the surface of the transfer roll 20, the latter picking up adhesive from. a tray not show herein.

The supporting roll I2 is cylindrical and is fixed by means of a setscrew 24 (Fig. 4) to a shaft 25 which is parallel to the shaft i l. The shaft 26 is journaled in an arm 28 and is adjustable longitudinally thereof. This permits the supporting roll l2 to be moved widthwise of the adhesive applying roll 10 so that the surface of the supporting roll may be shifted to co-operate with any portion of the surface of the applying roll, thereby allowing the operator to vary the width of the band of adhesive in accordance with the character of the work. To this end, there is provided a forked member 30 the tines of which surround the shaft 26 in a groove between flanges 32 formed integral therewith. The lower end of the forked member 30 is screwed to a plate 34 (Fig. 1), the latter having a slot 36 therein through which a screw '38 is passed for adjustably securing the plate to the arm 28. Lateral movement of the forked member will shift the roll 12 laterally with respect to the roll H).

To facilitate introducing the Work between the V applying roll Ill and the supporting roll l2, the supporting roll is mounted so that it may be moved to and from the applying roll. To this end, the arm 23 is hung by bosses at on a horizontal spindle 42, the latter being secured to the frame of the machine (Fig. 1). A spring M is fastened to the underside of the arm 28 and normally tilts the arm downwardly about the shaft 42, thereby holding the supporting roll separated from the applying roll when the machine is idle. A depending integral portion 46 of the roll-carrying arm 2.8 is used for lifting the arm to cause the rolls to bite the work. To this end, treadle means (not shown) is provided for moving the portion at in the direction of the arrow. The operator holds this treadle means down during the passage of the work through the machine.

In order to adapt this machine for the application of adhesive to the abruptly beveled edge of a moccasin part, it is necessary to bring the beveled surface of the moccasin part into contact with the horizontally disposed surface of the applying roll. The moccasin part is held with the display side 53 down as it is presented to the machine, thus causing the beveled edge surface 8 to face upwardly and inwardly. Contact of this edge surface with the applying roll it! is effected by bending the beveled edge of the moccasin part upwardly and by lifting the ingoing portion thereof so that it is held in contact with the peripheral surface of the applying roll well in to the bite of the rolls. This is accomplished by means of a novel gauge 54 (Fig. 1) having a shank 56 by which it is attached to the arm 28, as will appear hereinafter.

As illustrated, the gauge 54 is mounted close to the rolls at the ingoing side and consists of a plate having a front face 58, a rear face 60, an end face 62,- and bottom and top faces 6'4 and 66. The gauge is carried in close to the surface of the applying r011 H] to prevent the beveled edge of the work from getting between the end face 62, of the gauge and the surface of the applying roll. The end face 62, being so close to the surface of the applying roll, however, tends to pick up adhesive and carry it down onto the surface of the supporting roll, which ultimately will soil the display surface of the work. To prevent this, the end face 62 is rounded off (Fig. 6) beginning at the corner or edge 68 produced by the intersection of the end face 62 with the front face 58, so that it merges with the rear face 60. Further, it is concaved (Fig. 5) to conform to the surface of the applying roll. As a result, the edge 68 is the only portion of the gauge close to the surface of the applying roll. The front face 58 of the gauge 55 consists of two portions if! and 72, the portion 12 guiding the work inwardly toward the portion "In and the portion H1 tipping the beveled edge of the work and lifting it into intimate contact with a substantial portion of the surface of the applying roll. The portion 12 of the front face 53 is normal to the peripheral surface of the supporting roll l2 (Fig. 4) and, beginning at a point to the left of the front, or end, face of the supporting roll (Fig. 4), forms a convex surface bending toward the right, crossing the edge of the supporting roll, as illustrated. At approximately the point where the portion 12 crosses the supporting roll, it merges in a smooth curve with the portion 76 (Fig. 6) which slopes upwardly from the surface of the supporting roll and inwardly at an acute angle, the whole surface being set back from the end of the supporting roll so that its lower edge 55 is spaced from the edge of the peripheral surface of the supporting roll and is substantially parallel thereto. The exposed surface of the supporting roll affords a support for the body of the work and co-operates with the applying roll to grip and feed the work. The bottom surface 64 of the gauge 54 is substantially concave in order to bring the gauge close enoughto the surface of the supporting roll to prevent accidental catching of the work between the bottom surface of the gauge and the supporting roll.

As heretofore indicated, the gauge 54 must be moved about with respect to the rolls ill and I2 to bring it into such a position that the work will not pass between the gauge and the rolls and to prevent the adhesive from being carried down into contact with the supporting roll. For this reason means must be provided to permit the maximum freedom of adjustment of the gauge. Accordingly, the gauge is mounted so that it may readily be moved with respect to the rolls in three directions at right angles to each other and about a horizontal axis. To this end, the shank portion 55 ofthe gauge is fastened to a plate M by a screw '16 which is passed through a slot 58 formed in the shank 56 and is threaded into the plate. By loosening the screw it, the gauge'5 l may be moved in a vertical plane to move the edge 63 thereof to or from the surface of the applying roll lil. With proper adjustment, the edge 68 may be brought close enough to the surface of the applying roll to prevent the beveled edge of the work from creeping between the edge 68 and the roll and yet not so close as to pick up adhesive. The shank portion 55 may also be tilted in a vrtical plane about the horizontal axis of the screw '56, thereby to bring the lower edge 65 of the gauge face close to the peripheral surface of the supporting roll 12. The tilting of the gauge also permits the goperator to change the angle of the slope of, the surface 58 with respect to the peripheral surj face of the roll l2 in accordance with the angle of the bevel of the work. The plate 14 to which the gauge 54 is attached is disposed in a vertical plane transversely of the surface of the support- -ing roll and at its inner end is provided with a bent portion 80 (Fig. 6). The bent portion 80 ,has a tongue 82 (Figs. 1 and 4) thereon which fits into a groove merging with a horizontal slot 184 (Figs. 1 and 5) provided in a depending member 86, the latter being formed on a bracket 88. "A screw 90 is passed through the slot 84 of the 7 member 86 and is threaded into the bent portion 3'80, thereby locking the two together and permitting adjustment of the gauge 54 in a horizontal direction to and from the shaft 26 of the supporting roll l2. The edge 68 of the gauge 54 may thus be moved horizontally to and from the bite of the rolls. Accordingly, the apex of the gauge 54, that is, the point produced by the intersection of the surfaces 58, 64 and Glmay be brought close enough to the bite of the rolls to prevent the work from inner edge 68 of the gauge. The bracket 88 is also provided with a slot 92 (Fig. 1) and is fastened to the arm .28 by a screw 94. This provides for adjustment of the gauge widthwise of the rolls in accordance with the width of the beveled edge which varies with the thickness of the work and the height of the sired. The provision of the slot 18 in the shank 56 of the gauge 54 permits the gauge to be removed readily by the operator without special equipment when the machine is to be used for other purposes.

When the machine is in use, the operator, facbeing drawn over the ing the side of the machine, adjusts the gauge to bring the surface into the right position for the kind of work being handled and places the free end of the work against the curved portion I2 of the surface 58 and moves it forward. The applying and supporting rolls will catch the leading end of the work and pull it inwardly against the gauge so that the beveled edge is tipped upwardly by the surface 10 and lifted thereby into contact with a substantial arc of the peripheral surface of the applying roll I, the operator assisting the action of the gauge by lifting the work as it is advanced. The feed is substantially automatic, the operator having only to guide the work at the sharper curves to hold it against the surface of the gauge.

Having described my invention, what I claim as new and desire to secure by Letters Patent of the United States is:

rib which is de- 1. A gauge for an adhesive applying machine in which a pair of co-operating superposed rolls are employed, the upper roll of which is supplied with adhesive, said gauge having a surface sloping upwardly from the peripheral surface of the lower roll and inwardly from its outer end surface, said surface having an edge substantially concentric with the surface of the upper roll and an edge substantially concentric with the surface of the lower roll, said edges intersecting at a point adjacent to the bite of the rolls.

2. A gauge for an adhesive applying machine in which a pair of co-operating superposed rolls having end faces are employed, the upper of said rolls being supplied with adhesive, said gauge having a surface sloping upwardly from the peripheral face of the lower roll and inwardly from its outer end surface, said surface having an edge spaced from the end face of the lower roll and substantially concentric to its peripheral surface and another edge substantially concentric with the surface of the upper roll, said edges intersecting at the bite of the rolls.

3. In a machine for applying cement to the beveled edge of a moccasin part in which a pair of co-operating superposed rolls are employed, the upper one of which is supplied with adhesive, a gauge disposed adjacent to said rolls, said gauge having a surface composed of a portion which slopes upwardly from the peripheral surface of the lower roll and inwardly from its outer end surface and a portion which is vertical thereto, the sloping portion approaching close to the bite of the rolls and having edges conforming to the curvature of said rolls.

4. In a machine for applying adhesive to the beveled edge of a moccasin part in which a pair of co-operating superposed rolls having end faces are employed, the upper of said rolls being supplied with adhesive, a gauge disposed adjacent to the rolls, said gauge having a surface sloping upwardly from the peripheral surface of the lower roll and inwardly from its outer end face, said surface having edges, one of said edges being substantially parallel to the end face of the lower roll and spaced therefrom, said edge being concentric with the peripheral surface of the lower roll and intersecting at a point adjacent to the bite of the rolls another of said edges which is concentric with the peripheral surface of the upper roll, the first-named edge at a point remote from the intersection of said edges bending outwardly and crossing the edge of the end face of the lower roll.

CLIFTON T. BATCHELDER. 

